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This module provides some more Pythonic support for SSL.
Object types:
SSLSocket -- subtype of socket.socket which does SSL over the socket
Exceptions:
SSLError -- exception raised for I/O errors
Functions:
cert_time_to_seconds -- convert time string used for certificate
notBefore and notAfter functions to integer
seconds past the Epoch (the time values
returned from time.time())
fetch_server_certificate (HOST, PORT) -- fetch the certificate provided
by the server running on HOST at port PORT. No
validation of the certificate is performed.
Integer constants:
SSL_ERROR_ZERO_RETURN
SSL_ERROR_WANT_READ
SSL_ERROR_WANT_WRITE
SSL_ERROR_WANT_X509_LOOKUP
SSL_ERROR_SYSCALL
SSL_ERROR_SSL
SSL_ERROR_WANT_CONNECT
SSL_ERROR_EOF
SSL_ERROR_INVALID_ERROR_CODE
The following group define certificate requirements that one side is
allowing/requiring from the other side:
CERT_NONE - no certificates from the other side are required (or will
be looked at if provided)
CERT_OPTIONAL - certificates are not required, but if provided will be
validated, and if validation fails, the connection will
also fail
CERT_REQUIRED - certificates are required, and will be validated, and
if validation fails, the connection will also fail
The following constants identify various SSL protocol variants:
PROTOCOL_SSLv2
PROTOCOL_SSLv3
PROTOCOL_SSLv23
PROTOCOL_TLS
PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER
PROTOCOL_TLSv1
PROTOCOL_TLSv1_1
PROTOCOL_TLSv1_2
The following constants identify various SSL alert message descriptions as per
http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-6
ALERT_DESCRIPTION_CLOSE_NOTIFY
ALERT_DESCRIPTION_UNEXPECTED_MESSAGE
ALERT_DESCRIPTION_BAD_RECORD_MAC
ALERT_DESCRIPTION_RECORD_OVERFLOW
ALERT_DESCRIPTION_DECOMPRESSION_FAILURE
ALERT_DESCRIPTION_HANDSHAKE_FAILURE
ALERT_DESCRIPTION_BAD_CERTIFICATE
ALERT_DESCRIPTION_UNSUPPORTED_CERTIFICATE
ALERT_DESCRIPTION_CERTIFICATE_REVOKED
ALERT_DESCRIPTION_CERTIFICATE_EXPIRED
ALERT_DESCRIPTION_CERTIFICATE_UNKNOWN
ALERT_DESCRIPTION_ILLEGAL_PARAMETER
ALERT_DESCRIPTION_UNKNOWN_CA
ALERT_DESCRIPTION_ACCESS_DENIED
ALERT_DESCRIPTION_DECODE_ERROR
ALERT_DESCRIPTION_DECRYPT_ERROR
ALERT_DESCRIPTION_PROTOCOL_VERSION
ALERT_DESCRIPTION_INSUFFICIENT_SECURITY
ALERT_DESCRIPTION_INTERNAL_ERROR
ALERT_DESCRIPTION_USER_CANCELLED
ALERT_DESCRIPTION_NO_RENEGOTIATION
ALERT_DESCRIPTION_UNSUPPORTED_EXTENSION
ALERT_DESCRIPTION_CERTIFICATE_UNOBTAINABLE
ALERT_DESCRIPTION_UNRECOGNIZED_NAME
ALERT_DESCRIPTION_BAD_CERTIFICATE_STATUS_RESPONSE
ALERT_DESCRIPTION_BAD_CERTIFICATE_HASH_VALUE
ALERT_DESCRIPTION_UNKNOWN_PSK_IDENTITY
N)
namedtuple)EnumIntEnumIntFlag)OPENSSL_VERSION_NUMBEROPENSSL_VERSION_INFOOPENSSL_VERSION) _SSLContext MemoryBIO
SSLSession)SSLErrorSSLZeroReturnErrorSSLWantReadErrorSSLWantWriteErrorSSLSyscallError SSLEOFError)txt2objnid2obj) RAND_statusRAND_add
RAND_bytesRAND_pseudo_bytes)RAND_egd)HAS_SNIHAS_ECDHHAS_NPNHAS_ALPN HAS_TLSv1_3)_OPENSSL_API_VERSION
_SSLMethodc C s | j do| dkS )NZ PROTOCOL_PROTOCOL_SSLv23)
startswith)name r# /usr/lib64/python3.6/ssl.py<lambda>| s r% )sourceOptionsc C s
| j dS )NZOP_)r! )r" r# r# r$ r% s ZAlertDescriptionc C s
| j dS )NZALERT_DESCRIPTION_)r! )r" r# r# r$ r% s ZSSLErrorNumberc C s
| j dS )NZ
SSL_ERROR_)r! )r" r# r# r$ r% s VerifyFlagsc C s
| j dS )NZVERIFY_)r! )r" r# r# r$ r% s
VerifyModec C s
| j dS )NZCERT_)r! )r" r# r# r$ r% s c C s i | ]\}}||qS r# r# ).0r" valuer# r# r$
<dictcomp> s r, ZPROTOCOL_SSLv2win32)enum_certificates enum_crls)socketAF_INET SOCK_STREAMcreate_connection)
SOL_SOCKETSO_TYPEz
tls-uniquezTLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:ECDH+AESGCM:ECDH+CHACHA20:DH+AESGCM:DH+CHACHA20:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+HIGH:DH+HIGH:RSA+AESGCM:RSA+AES:RSA+HIGH:!aNULL:!eNULL:!MD5:!3DESzTLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:ECDH+AESGCM:ECDH+CHACHA20:DH+AESGCM:DH+CHACHA20:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+HIGH:DH+HIGH:RSA+AESGCM:RSA+AES:RSA+HIGH:!aNULL:!eNULL:!MD5:!DSS:!RC4:!3DESc @ s e Zd ZdS )CertificateErrorN)__name__
__module__ __qualname__r# r# r# r$ r6 s r6 c C s g }| s dS | j d^}}|jd}||kr<tdt| |sP| j |j kS |dkrd|jd n>|jdsx|jdr|jtj| n|jtj|j dd x |D ]}|jtj| qW tj
d d
j | d tj }|j
|S ) zhMatching according to RFC 6125, section 6.4.3
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F.*z,too many wildcards in certificate DNS name: z[^.]+zxn--z\*z[^.]*z\Az\.z\Z)splitcountr6 reprlowerappendr! reescapereplacecompilejoin
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max_wildcardsZpatsZleftmostZ remainderZ wildcardsZfragZpatr# r# r$ _dnsname_match s&
rJ c C s t j| j }||kS )zExact matching of IP addresses.
RFC 6125 explicitly doesn't define an algorithm for this
(section 1.7.2 - "Out of Scope").
) ipaddress
ip_addressrstrip)Zipnamehost_ipZipr# r# r$ _ipaddress_match s rO c C sP | s t dytj|}W n t k
r2 d}Y nX g }| jdf }xb|D ]Z\}}|dkr||dkrpt||rpdS |j| qJ|dkrJ|dk rt||rdS |j| qJW |sxF| jdf D ]6}x0|D ](\}}|dkrt||rdS |j| qW qW t|dkr td |d
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t |f n,t|dkrDtd ||d f ntd
dS )a) Verify that *cert* (in decoded format as returned by
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rules are followed, but IP addresses are not accepted for *hostname*.
CertificateError is raised on failure. On success, the function
returns nothing.
ztempty or no certificate, match_hostname needs a SSL socket or SSL context with either CERT_OPTIONAL or CERT_REQUIREDNZsubjectAltNameZDNSz
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commonNamer: z&hostname %r doesn't match either of %sz, z hostname %r doesn't match %rr z=no appropriate commonName or subjectAltName fields were found)
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rW DefaultVerifyPathszQcafile capath openssl_cafile_env openssl_cafile openssl_capath_env openssl_capathc C sd t j } tjj| d | d }tjj| d | d }ttjj|rF|ndtjj|rX|ndf| S )z/Return paths to default cafile and capath.
r r: N) _sslget_default_verify_pathsosenvironrQ rX pathisfileisdir)partscafilecapathr# r# r$ r\ U s r\ c sD e Zd ZdZf Z fddZe fddZe fddZ Z S ) _ASN1Objectz#ASN.1 object identifier lookup
c s t j| ft|dd S )NF)r" )super__new___txt2obj)clsoid) __class__r# r$ rg h s z_ASN1Object.__new__c s t j| ft| S )z3Create _ASN1Object from OpenSSL numeric ID
)rf rg _nid2obj)ri Znid)rk r# r$ fromnidk s z_ASN1Object.fromnidc s t j| ft|dd S )z=Create _ASN1Object from short name, long name or OID
T)r" )rf rg rh )ri r" )rk r# r$ fromnameq s z_ASN1Object.fromname)
r7 r8 r9 __doc__ __slots__rg classmethodrm rn
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re znid shortname longname oidc @ s e Zd ZdZdZdZdS )PurposezDSSLContext purpose flags with X509v3 Extended Key Usage objects
z1.3.6.1.5.5.7.3.1z1.3.6.1.5.5.7.3.2N)r7 r8 r9 ro SERVER_AUTH CLIENT_AUTHr# r# r# r$ rs x s rs c s e Zd ZdZd"Zd#ZefddZefdd Zd$d
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zSSLContext.__new__c C s
|| _ d S )N)rw )r rw r# r# r$ __init__ s zSSLContext.__init__FTNc C s t |||||| |dS )N)sock server_sidedo_handshake_on_connectsuppress_ragged_eofsserver_hostname_context_session) SSLSocket)r r r r r r sessionr# r# r$ wrap_socket s
zSSLContext.wrap_socketc C s | j ||||d}t||dS )N)r r )r )Z _wrap_bio SSLObject)r ZincomingZoutgoingr r r sslobjr# r# r$ wrap_bio s
zSSLContext.wrap_bioc C sd t }xN|D ]F}t|d}t|dks2t|dkr:td|jt| |j| q W | j| d S )Nasciir z(NPN protocols must be 1 to 255 in length) bytearraybytesrR r rA extendZ_set_npn_protocols)r
npn_protocolsprotosrw br# r# r$ set_npn_protocols s
z SSLContext.set_npn_protocolsc C sd t }xN|D ]F}t|d}t|dks2t|dkr:td|jt| |j| q W | j| d S )Nr r r z)ALPN protocols must be 1 to 255 in length)r r rR r rA r Z_set_alpn_protocols)r Zalpn_protocolsr rw r r# r# r$ set_alpn_protocols s
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rd tjd Y nX |rv| j|d |S )NZx509_asnTz-unable to enumerate Windows certificate store)cadata)r r. rj r PermissionErrorwarningswarnload_verify_locations)r storenamepurposeZcertsrT encodingZtrustr# r# r$ _load_windows_store_certs s z$SSLContext._load_windows_store_certsc C sD t |tst|tjdkr8x| jD ]}| j|| q$W | j d S )Nr- )
isinstancere TypeErrorsysplatform_windows_cert_storesr Zset_default_verify_paths)r r r r# r# r$ load_default_certs s
z SSLContext.load_default_certsc s t t jS )N)r' rf options)r )rk r# r$ r s zSSLContext.optionsc s t ttjj| | d S )N)rf rv r __set__)r r+ )rk r# r$ r s c s t t jS )N)r( rf verify_flags)r )rk r# r$ r s zSSLContext.verify_flagsc s t ttjj| | d S )N)rf rv r r )r r+ )rk r# r$ r s c s* t j}yt|S tk
r$ |S X d S )N)rf verify_moder) rP )r r+ )rk r# r$ r s
zSSLContext.verify_modec s t ttjj| | d S )N)rf rv r r )r r+ )rk r# r$ r s )rw rx )ry rz )FTTNN)FNN)r7 r8 r9 ro rp r PROTOCOL_TLSrg r r r r r r rs rt r propertyr setterr r rr r# r# )rk r$ rv s*
rv )rc rd r c C sz t | tst| tt}| tjkr2t|_d|_ n| tj
krF|j t |sR|sR|rb|j
||| n|jtkrv|j| |S )zCreate a SSLContext object with default settings.
NOTE: The protocol and settings may change anytime without prior
deprecation. The values represent a fair balance between maximum
compatibility and security.
T)r re r rv r rs rt
CERT_REQUIREDr check_hostnameru r| _RESTRICTED_SERVER_CIPHERSr CERT_NONEr )r rc rd r contextr# r# r$ create_default_context s
r F) cert_reqsr r certfilekeyfilerc rd r c
C s t |tst|t| } |dk r(|| _|| _|r@| r@td|sH|rT| j|| |s`|s`|rp| j||| n| jt kr| j
| | S )a/ Create a SSLContext object for Python stdlib modules
All Python stdlib modules shall use this function to create SSLContext
objects in order to keep common settings in one place. The configuration
is less restrict than create_default_context()'s to increase backward
compatibility.
Nzcertfile must be specified) r re r rv r r rP load_cert_chainr r r )
rw r r r r r rc rd r r r# r# r$ _create_unverified_context s
r c @ s e Zd ZdZd0ddZedd Zejdd Zedd Zejd
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d2ddZdd Zdd Zd d Zd d Zd!d" Zd#d$ Zd%d& Zd'd( Zd3d*d+Zd,d- Zd.d/ ZdS )4r a This class implements an interface on top of a low-level SSL object as
implemented by OpenSSL. This object captures the state of an SSL connection
but does not provide any network IO itself. IO needs to be performed
through separate "BIO" objects which are OpenSSL's IO abstraction layer.
This class does not have a public constructor. Instances are returned by
``SSLContext.wrap_bio``. This class is typically used by framework authors
that want to implement asynchronous IO for SSL through memory buffers.
When compared to ``SSLSocket``, this object lacks the following features:
* Any form of network IO, including methods such as ``recv`` and ``send``.
* The ``do_handshake_on_connect`` and ``suppress_ragged_eofs`` machinery.
Nc C s& || _ |p | | j _|d k r"|| j _d S )N)_sslobjownerr )r r r r r# r# r$ r G s zSSLObject.__init__c C s | j jS )z(The SSLContext that is currently in use.)r r )r r# r# r$ r N s zSSLObject.contextc C s || j _d S )N)r r )r ctxr# r# r$ r S s c C s | j jS )z!The SSLSession for client socket.)r r )r r# r# r$ r W s zSSLObject.sessionc C s || j _d S )N)r r )r r r# r# r$ r \ s c C s | j jS )z.Was the client session reused during handshake)r session_reused)r r# r# r$ r ` s zSSLObject.session_reusedc C s | j jS )z%Whether this is a server-side socket.)r r )r r# r# r$ r e s zSSLObject.server_sidec C s | j jS )z]The currently set server hostname (for SNI), or ``None`` if no
server hostame is set.)r r )r r# r# r$ r j s zSSLObject.server_hostname c C s( |dk r| j j||}n | j j|}|S )zRead up to 'len' bytes from the SSL object and return them.
If 'buffer' is provided, read into this buffer and return the number of
bytes read.
N)r read)r rR buffervr# r# r$ r p s zSSLObject.readc C s | j j|S )zWrite 'data' to the SSL object and return the number of bytes
written.
The 'data' argument must support the buffer interface.
)r write)r datar# r# r$ r | s zSSLObject.writeFc C s | j j|S )zReturns a formatted version of the data in the certificate provided
by the other end of the SSL channel.
Return None if no certificate was provided, {} if a certificate was
provided, but not validated.
)r Zpeer_certificate)r binary_formr# r# r$ getpeercert s zSSLObject.getpeercertc C s t jr| jj S dS )zReturn the currently selected NPN protocol as a string, or ``None``
if a next protocol was not negotiated or if NPN is not supported by one
of the peers.N)r[ r r selected_npn_protocol)r r# r# r$ r s z SSLObject.selected_npn_protocolc C s t jr| jj S dS )zReturn the currently selected ALPN protocol as a string, or ``None``
if a next protocol was not negotiated or if ALPN is not supported by one
of the peers.N)r[ r r selected_alpn_protocol)r r# r# r$ r s z SSLObject.selected_alpn_protocolc C s
| j j S )z_Return the currently selected cipher as a 3-tuple ``(name,
ssl_version, secret_bits)``.)r cipher)r r# r# r$ r s zSSLObject.cipherc C s
| j j S )zReturn a list of ciphers shared by the client during the handshake or
None if this is not a valid server connection.
)r shared_ciphers)r r# r# r$ r s zSSLObject.shared_ciphersc C s
| j j S )zReturn the current compression algorithm in use, or ``None`` if
compression was not negotiated or not supported by one of the peers.)r compression)r r# r# r$ r s zSSLObject.compressionc C s
| j j S )z8Return the number of bytes that can be read immediately.)r pending)r r# r# r$ r s zSSLObject.pendingc C s4 | j j | jjr0| js tdt| j | j dS )z Start the SSL/TLS handshake.z-check_hostname needs server_hostname argumentN)r do_handshaker r r rP rW r )r r# r# r$ r s
zSSLObject.do_handshakec C s
| j j S )z!Start the SSL shutdown handshake.)r shutdown)r r# r# r$ unwrap s zSSLObject.unwrap
tls-uniquec C s0 |t krtd|dkr&tdj|| jj S )zGet channel binding data for current connection. Raise ValueError
if the requested `cb_type` is not supported. Return bytes of the data
or None if the data is not available (e.g. before the handshake).z Unsupported channel binding typez
tls-uniquez({0} channel binding type not implemented)CHANNEL_BINDING_TYPESrP NotImplementedErrorformatr Z
tls_unique_cb)r cb_typer# r# r$ get_channel_binding s z SSLObject.get_channel_bindingc C s
| j j S )zZReturn a string identifying the protocol version used by the
current SSL channel. )r version)r r# r# r$ r s zSSLObject.versionc C s
| j j S )N)r verify_client_post_handshake)r r# r# r$ r s z&SSLObject.verify_client_post_handshake)NN)r N)F)r )r7 r8 r9 ro r r r r r r r r r r r r r r r r r r r r r r r# r# r# r$ r 7 s.
r c s e Zd ZdZddddeeddeeddddddddfddZe dd Z
e
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dd ZdVddZdd ZdWddZdd ZdXdd Zd d Zd d Zd!d" Zd#d$ Zd%d& ZdYd'd(ZdZd)d*Zd+d, Zd[d-d.Z d\ fd/d0 Z d]d1d2Z d^d3d4Z d_d5d6Z d`d7d8Z!d9d: Z"d;d< Z#d=d> Z$d?d@ Z%dAdB Z&dCdD Z'dEdF Z(dadGdHZ)dIdJ Z*dKdL Z+dMdN Z,dOdP Z-dbdRdSZ.dTdU Z/ Z0S )cr zThis class implements a subtype of socket.socket that wraps
the underlying OS socket in an SSL context when necessary, and
provides read and write methods over that channel.NFTr c C sj |r || _ n|r | r td|r0| r0td|r>| r>|}t|| _ || j _|r`| j j| |rr| j j|| |r| j j| |r| j j| || _|| _ || _
|| _ || _ || _
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| _|d k rdtj| |j|j |j |j d | j |j |j! n,| d k r~tj| | d ntj| | |
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rd | j, Y nX d S )Nz5certfile must be specified for server-side operationszcertfile must be specifiedz!only stream sockets are supportedz4server_hostname can only be specified in client modez,session can only be specified in client modez'check_hostname requires server_hostname)familytypeprotofileno)r )r r r FT)r r g zHdo_handshake_on_connect should not be specified for non-blocking sockets)-r rP rv r r r r r| r r r ssl_versionca_certsciphersZ
getsockoptr4 r5 r2 r r r r r r r r0 r r r r r
settimeout
gettimeoutdetach getpeernameOSErrorerrnoZENOTCONNZ_closedr
_connected _wrap_socketr r close)r r r r r r r r r r r r r r r r r r r eZ connectedr timeoutr# r# r$ r s
zSSLSocket.__init__c C s | j S )N)r )r r# r# r$ r 7 s zSSLSocket.contextc C s || _ || j_d S )N)r r r )r r r# r# r$ r ; s c C s | j dk r| j jS dS )z!The SSLSession for client socket.N)r r )r r# r# r$ r @ s
zSSLSocket.sessionc C s || _ | jd k r|| j_d S )N)r r r )r r r# r# r$ r F s
c C s | j dk r| j jS dS )z.Was the client session reused during handshakeN)r r )r r# r# r$ r L s
zSSLSocket.session_reusedc C s t d| jj d S )NzCan't dup() %s instances)r rk r7 )r r# r# r$ dupR s z
SSLSocket.dupc C s d S )Nr# )r msgr# r# r$ _checkClosedV s zSSLSocket._checkClosedc C s | j s| j d S )N)r r )r r# r# r$ _check_connectedZ s zSSLSocket._check_connected c C st | j | jstdy| jj||S tk
rn } z.|jd tkr\| jr\|dk rVdS dS n W Y dd}~X nX dS )zORead up to LEN bytes and return them.
Return zero-length string on EOF.z'Read on closed or unwrapped SSL socket.r N )r r rP r r r~ Z
SSL_ERROR_EOFr )r rR r xr# r# r$ r b s zSSLSocket.readc C s" | j | jstd| jj|S )zhWrite DATA to the underlying SSL channel. Returns
number of bytes of DATA actually transmitted.z(Write on closed or unwrapped SSL socket.)r r rP r )r r r# r# r$ r t s zSSLSocket.writec C s | j | j | jj|S )zReturns a formatted version of the data in the
certificate provided by the other end of the SSL channel.
Return None if no certificate was provided, {} if a
certificate was provided, but not validated.)r r r r )r r r# r# r$ r } s zSSLSocket.getpeercertc C s* | j | j stj r d S | jj S d S )N)r r r[ r r )r r# r# r$ r s z SSLSocket.selected_npn_protocolc C s* | j | j stj r d S | jj S d S )N)r r r[ r r )r r# r# r$ r s z SSLSocket.selected_alpn_protocolc C s | j | jsd S | jj S d S )N)r r r )r r# r# r$ r s zSSLSocket.cipherc C s | j | jsd S | jj S )N)r r r )r r# r# r$ r s zSSLSocket.shared_ciphersc C s | j | jsd S | jj S d S )N)r r r )r r# r# r$ r s zSSLSocket.compressionc C sB | j | jr0|dkr$td| j | jj|S tj| ||S d S )Nr z3non-zero flags not allowed in calls to send() on %s)r r rP rk r r0 send)r r flagsr# r# r$ r s
zSSLSocket.sendc C sH | j | jr td| j n&|d kr4tj| ||S tj| |||S d S )Nz%sendto not allowed on instances of %s)r r rP rk r0 sendto)r r Z
flags_or_addraddrr# r# r$ r s zSSLSocket.sendtoc O s t d| j d S )Nz&sendmsg not allowed on instances of %s)r rk )r r~ r r# r# r$ sendmsg s zSSLSocket.sendmsgc C s | j | jr|dkr$td| j d}t|L}|jd6}t|}x&||k rl| j||d }||7 }qHW W d Q R X W d Q R X ntj | ||S d S )Nr z6non-zero flags not allowed in calls to sendall() on %sB)
r r rP rk
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"zSSLSocket.sendallc s, | j dkrt j|||S | j|||S dS )zSend a file, possibly by using os.sendfile() if this is a
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N)r rf sendfileZ_sendfile_use_send)r fileoffsetr> )rk r# r$ r s
zSSLSocket.sendfilec C s@ | j | jr.|dkr$td| j | j|S tj| ||S d S )Nr z3non-zero flags not allowed in calls to recv() on %s)r r rP rk r r0 recv)r buflenr r# r# r$ r s
zSSLSocket.recvc C sf | j |r |d kr t|}n |d kr*d}| jrR|dkrFtd| j | j||S tj| |||S d S )Ni r z8non-zero flags not allowed in calls to recv_into() on %s)r rR r rP rk r r0 recv_into)r r nbytesr r# r# r$ r s
zSSLSocket.recv_intoc C s0 | j | jr td| j ntj| ||S d S )Nz'recvfrom not allowed on instances of %s)r r rP rk r0 recvfrom)r r r r# r# r$ r s
zSSLSocket.recvfromc C s2 | j | jr td| j ntj| |||S d S )Nz,recvfrom_into not allowed on instances of %s)r r rP rk r0
recvfrom_into)r r r r r# r# r$ r s
zSSLSocket.recvfrom_intoc O s t d| j d S )Nz&recvmsg not allowed on instances of %s)r rk )r r~ r r# r# r$ recvmsg s zSSLSocket.recvmsgc O s t d| j d S )Nz+recvmsg_into not allowed on instances of %s)r rk )r r~ r r# r# r$ recvmsg_into s zSSLSocket.recvmsg_intoc C s | j | jr| jj S dS d S )Nr )r r r )r r# r# r$ r s
zSSLSocket.pendingc C s | j d | _tj| | d S )N)r r r0 r )r Zhowr# r# r$ r s zSSLSocket.shutdownc C s. | j r| j j }d | _ |S tdt| d S )NzNo SSL wrapper around )r r rP str)r sr# r# r$ r s
zSSLSocket.unwrapc C s$ | j r| j j S tdt| d S )NzNo SSL wrapper around )r r rP r )r r# r# r$ r $ s
z&SSLSocket.verify_client_post_handshakec C s d | _ tj| d S )N)r r0 _real_close)r r# r# r$ r * s zSSLSocket._real_closec C sF | j | j }z$|dkr(|r(| jd | jj W d| j| X dS )z Perform a TLS/SSL handshake.g N)r r r r r )r blockr r# r# r$ r . s
zSSLSocket.do_handshakec C s | j rtd| jr td| jj| d| j}t|| | jd| _y>|rTt j
| |}nd }t j | | |s|d| _| j r|| j
|S ttfk
r d | _ Y nX d S )Nz!can't connect in server-side modez/attempt to connect already-connected SSLSocket!F)r r T)r rP r r r r r r r r0
connect_exconnectr r r )r r r r Zrcr# r# r$
_real_connect9 s( zSSLSocket._real_connectc C s | j |d dS )zQConnects to remote ADDR, and then wraps the connection in
an SSL channel.FN)r
)r r r# r# r$ r R s zSSLSocket.connectc C s | j |dS )zQConnects to remote ADDR, and then wraps the connection in
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)r r r# r# r$ r W s zSSLSocket.connect_exc C s. t j| \}}| jj|| j| jdd}||fS )zAccepts a new connection from a remote client, and returns
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SSL channel, and the address of the remote client.T)r r r )r0 acceptr r r r )r Znewsockr r# r# r$ r \ s zSSLSocket.accept
tls-uniquec C s | j dkrdS | j j|S )zGet channel binding data for current connection. Raise ValueError
if the requested `cb_type` is not supported. Return bytes of the data
or None if the data is not available (e.g. before the handshake).
N)r r )r r r# r# r$ r h s
z SSLSocket.get_channel_bindingc C s | j dkrdS | j j S )z
Return a string identifying the protocol version used by the
current SSL channel, or None if there is no established channel.
N)r r )r r# r# r$ r q s
zSSLSocket.version)N)r N)F)r )N)r )r N)r r )Nr )r r )Nr )F)r )1r7 r8 r9 ro r r r1 r2 r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r
r r r r r rr r# r# )rk r$ r s` Z
r Tc
C s t | ||||||||| d
S )N)
r r r r r r r r r r )r )
r r r r r r r r r r r# r# r$ r { s r c
C s ddl m} ddlm} d}d}y |j| dd j d }W n$ tk
rb td| |f Y n0X || dd |}||d |f|dd S dS )a Return the time in seconds since the Epoch, given the timestring
representing the "notBefore" or "notAfter" date from a certificate
in ``"%b %d %H:%M:%S %Y %Z"`` strptime format (C locale).
"notBefore" or "notAfter" dates must use UTC (RFC 5280).
Month is one of: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UTC should be specified as GMT (see ASN1_TIME_print())
r )strptime)timegmJanFebMarAprMayJunJulAugSepOctNovDecz %d %H:%M:%S %Y GMTNrZ r: z*time data %r does not match format "%%b%s"rY ) r r r r r r r r r r r r )Ztimer
Zcalendarr indextitlerP )Z cert_timer
r ZmonthsZ time_formatZ month_numberZttr# r# r$ cert_time_to_seconds s
r z-----BEGIN CERTIFICATE-----z-----END CERTIFICATE-----c C s2 t tj| dd}td tj|d d t d S )z[Takes a certificate in binary DER format and returns the
PEM version of it as a string.ASCIIstrict
@ )r base64Zstandard_b64encode
PEM_HEADERtextwrapZfill
PEM_FOOTER)Zder_cert_bytesfr# r# r$ DER_cert_to_PEM_cert s r( c C s\ | j tstdt | j jts0tdt | j tttt }tj|j ddS )zhTakes a certificate in ASCII PEM format and returns the
DER-encoded version of it as a byte sequencez(Invalid PEM encoding; must start with %sz&Invalid PEM encoding; must end with %sr r )
r! r$ rP stripendswithr& rR r# Z decodebytesencode)Zpem_cert_stringdr# r# r$ PEM_cert_to_DER_cert s
r- c
C sd | \}}|dk rt }nt}t|||d}t| &}|j|}|jd} W dQ R X W dQ R X t| S )zRetrieve the certificate from the server at the specified address,
and return it as a PEM-encoded string.
If 'ca_certs' is specified, validate the server cert against it.
If 'ssl_version' is specified, use it in the connection attempt.N)r rc T)r r _create_stdlib_contextr3 r r r( )
r r r hostZportr r r ZsslsockZdercertr# r# r$ get_server_certificate s
r0 c C s t j| dS )Nz <unknown>)_PROTOCOL_NAMESrQ )Z
protocol_coder# r# r$ get_protocol_name s r2 )r: )bro rK r% rB r r] collectionsr enumr Z_Enumr Z_IntEnumr Z_IntFlagr[ r r r r r
r r r
r r r r r rh r rl r r r r r ImportErrorr r r r r r _convertr7 r r r __members__itemsr1 getattrr{ r r. r/ r0 r1 r2 r3 r4 r5 r# r r r Z socket_errorZHAS_TLS_UNIQUEr r} r rP r6 rJ rO rW rX r\ re rs rv rt r r Z _create_default_https_contextr. r r r r r r$ r& r( r- r0 r2 r# r# r# r$ <module>[ s
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